realme P4x vs UmiDigi Note 100x

At a glance

Brand: realme; UMiDIGI
Release date: December 2025, 6 months ago; February 2026, 4 months ago
Launch price: ₹ 15,499.00 ($ 164.43); —
AnTuTu: 739.000 Antutu v10 Overall performance better than 79% of devices; 345.000 Antutu v11 Overall performance better than 63% of devices

Size: 6.72"; 6.8"
Resolution: 1080 x 2400 px FHD+; 720 x 1600 px HD+
Type: LCD IPS; LCD IPS
Density: 392 ppi High Density; 258 ppi Medium Density
Aspect ratio: 20:9; 20:9
Features: Hole-punch Notch, Refresh rate 144 Hz, Brightnes 800 cd/m² (typ), Peak brightness - 1000 cd/m², DCI-P3, 10 Bits panel, Scratch resistant, 3D curved glass screen, Capacitive, Multi-touch, Frameless; Water Drop Notch, Refresh rate 120 Hz, Brightnes 500 cd/m² (typ), 2.5D curved glass screen, Capacitive, Multi-touch, Frameless, In-cell

Chipset: MediaTek Dimensity 7400; MediaTek Helio G81 (MT6769)
CPU: 4x2.6 GHz Cortex A78 + 4x 2.0 GHz Cortex A55; 2x Cortex A75 2.0 GHz + 6x Cortex A55 1.7 GHz
CPU type: Octa-Core; Octa-Core
Process: 4 nm; 12 nm
Frequency: 2.6 GHz; 2 GHz
GPU: Mali-G615 MP2; ARM Mali-G52 MC2
RAM: 6 GB; 4 GB
RAM type: LPDDR4X RAM; —
64-bit: Yes; Yes

Resolution: 50 Mpx; 32 Mpx
Aperture: ƒ/ 1.8; ƒ/ 1.8
Sensor: Sony IMX882; —
Pixel size: 0.80 µm; —
Sensor size: 1/1.95"; —
Flash: LED; LED
Optical stabilization: Yes; No
Slow motion: Yes, 480 fps; No, 30 fps
Features: Time-Lapse, 4K Video, Digital zoom, Triple camera, Digital image stabilization, Optical Stabilization (OIS), Autofocus, Touch focus, Continuous autofocus, Manual focus, Phase detection autofocus (PDAF), Dual PDAF, Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, Dual capture, Night Mode; Digital zoom, Triple camera, Autofocus, Touch focus, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer

Capacity: 128 GB; 256 GB
Type: UFS Storage 3.1; eMMC 5.1 Storage
SD slot: Yes , Slot for SD or second SIM card; Yes , Slot for SD or second SIM card

Dimensions: 75.9 mm 165.8 mm 8.4 mm Print 3D Model; 78.0 mm 168.3 mm 8.1 mm Print 3D Model
Weight: 284 g; 199 g
Materials: Leather; Plastic
Colors: Silver Green Violet; Black White Green
Water/dust resistance: IP64; IP54
Usable surface: 86 %; 85 %

Operating system: Android 15 RealmeUI 6.0 (Android 15); Android 15 Android 15
Google services: With Google Mobile Services; With Google Mobile Services

SIM: Dual SIM Dual Standby (Nano SIM + Nano SIM); Dual SIM Dual Standby (Nano SIM + Nano SIM)
Bluetooth: Bluetooth 5.4 LELow energy consumption; Bluetooth 5.2
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile), LE (Low Energy), APT-x, LDAC, SBC; A2DP (Advanced Audio Distribution Profile)
Wi-Fi: 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac, WiFi 6 (802.11ax) , WiFi 6E; 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac
Wi-Fi features: Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, Wi-Fi MiMO; Wi-Fi Hotspot, Wi-Fi MiMO
USB: USB Type-C; USB Type-C
USB features: Charging, OTG; Charging, OTG
Navigation: GPS, A-GPS, GLONASS, QZSS, Galileo, GPS (L1+L5), Galileo (E1+E5a); GPS, A-GPS, GLONASS, Beidou, Galileo

5G: n1 (2100), n3 (1800), n5 (850), n8 (900), n28b (700), n40 (2300), n41 (2500), n77 (3700), n78 (3500); —
4G LTE: B1 (2100), B3 (1800), B5 (850), B8 (900), B28b (700), B40 (TDD 2300), B41 (TDD 2500); B1 (2100), B3 (1800), B5 (850), B7 (2600), B8 (900), B20 (800), B25 (1900+), B26 (850), B28b (700), B28a (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500)
3G: B1 (2100), B5 (850), B8 (900); B1 (2100), B5 (850), B8 (900)
2G: B3 (1800), B5 (850), B8 (900); B2 (1900), B3 (1800), B5 (850), B8 (900)

Fingerprint: Yes, in screen; Yes, on the side
Accelerometer: Yes; Yes
Gyroscope: Yes; —
Proximity: Yes; —
Light sensor: Yes; Yes
Compass: Yes; —
Cooling system: Yes; No
Audio: Noise cancellation microphone, Stereo Speakers, 2 microphones; DTS / DTS X, Stereo Speakers